The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.
Car Problem Reports
Chevrolet Lumina Rubber Transmission Cooler Lines Can Leak Fluid
Chevrolet Lumina Problem
13 Reports
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Average Mileage: 123,433 mi (80,300 mi - 170,000 mi)
Verified
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Visitor, 1999 Chevrolet Lumina, 120,000 mi
Transmission Fluid leaking from metal portion of Cooler line, on bend near radiator
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shadetreeauto, 1997 Chevrolet Lumina, 170,000 miJourneyman
trans lines leak near radiator
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Visitor, 1991 Chevrolet Lumina, 80,300 mi
lines leaking.
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